title: Retrieval of vascular foreign bodies using a self-made wire snare.
abstract: BACKGROUND
  Foreign bodies in the vascular system have a high potential to cause embolization, perforation, and infection. Therefore, numerous commercially available percutaneous retrieval devices have been developed.
  
  
  OBJECTIVE
  To evaluate the feasibility and efficacy of a self-made wire snare for the retrieval of foreign bodies in the vascular system.
  
  
  METHODS
  16 consecutive patients, who underwent percutaneous foreign-body retrieval between 1997 and 2007, were included in this retrospective analysis. Percutaneous extraction was performed using an adjustable wire snare that was fabricated using a 5F diagnostic Headhunter or Multipurpose catheter and a 4-m-long 0.018-g/inch standard heavy-duty wire that was bent in the middle to create an eccentric loop.
  
  
  RESULTS
  Percutaneous foreign-body retrieval was successful in all 16 cases. Intraluminal materials including partially fractured venous catheters, guidewires, a stent, and a vena cava filter were removed from various locations. In six cases, mobilization of the intraluminal material via a pigtail catheter was necessary before using the wire snare for removal. Successful retrieval was investigator independent. In no cases were surgical procedures required, and no relevant complications were encountered.
  
  
  CONCLUSIONS
  This snare technique is an effective, feasible, and cost-effective method to retrieve intraluminal material. It is an alternative to commercially available retrieval devices.
authors.affiliation: Klinik und Hochschulambulanz für Radiologie und Nuklearmedizin, Charité Universitätsmedizin Berlin, Berlin, Germany.
authors.forename: C V
authors.initials: CV
authors.lastname: Mallmann
authors.forename: K-J
authors.initials: KJ
authors.lastname: Wolf
authors.forename: F K
authors.initials: FK
authors.lastname: Wacker
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001013:Aorta, Thoracic / Q000000981:diagnostic imaging; D001808:Blood Vessels; D002404:Catheterization / Q000009:adverse effects / Q000295:instrumentation; D020878:Device Removal / Q000295:instrumentation* / Q000379:methods; D004867:Equipment Design; D004868:Equipment Failure; D005240:Feasibility Studies; D005260:Female; D005471:Fluoroscopy; D005547:Foreign Bodies / Q000601:surgery; D006325:Heart Atria / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D015607:Stents / Q000009:adverse effects; D016896:Treatment Outcome; D014656:Vascular Surgical Procedures / Q000295:instrumentation* / Q000379:methods; D016306:Vena Cava Filters / Q000009:adverse effects; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging; D055815:Young Adult